US Bridges

SH 36 over Brazos River Relief

Fair

Brazoria County, Texas · 7.7 MI E of FM 2004 · Structure no. 120200018806351

Built
2023
2 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
57 ft
6 main spans
Daily traffic
5,432
2020 count
Owner
State
State Highway Agency

About this bridge

SH 36 over Brazos River Relief is a concrete culvert carrying SH 36 over Brazos River Relief in Brazoria County, Texas. It was built in 2023, so it is 2 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,432 vehicles a day, roughly 10% of them trucks, projected to reach 7,030 by 2033. The structure is 57 ft (17.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 36
CrossesBrazos River Relief
Location7.7 MI E of FM 2004
RouteState Highway 36
CountyBrazoria County
StateTexas
Coordinates28.96061, -95.40091
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadHL 93
Structure length57 ft (17.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,432 (2020)
Projected traffic7,030 by 2033
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 36 over Brazos River Relief built?

It was built in 2023, making it 2 years old in 2025.

What condition is SH 36 over Brazos River Relief in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does SH 36 over Brazos River Relief carry?

About 5,432 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is SH 36 over Brazos River Relief?

The structure is 57 ft (17.4 m) long with a longest span of 8 ft (2.4 m).

Who owns SH 36 over Brazos River Relief?

It is owned by the State Highway Agency.